Court expands presidential reach over agencies while keeping Fed independence and tar­iffs in check

The Supreme Court rulings give Trump more leeway to act quickly within federal agencies—especially on immigration and staffing—while denying a broad sweep of tariff authority under IEEPA and preserving limits on firing a Federal Reserve governor; the court also carved out a path for future presidents to overhaul major regulators, potentially increasing policy swings and market uncertainty, with tariffs and monetary policy as the key watch points.